Oral fibrosis can cause betel nut chewing and mouth.吃槟榔会导致口腔纤维化,口腔癌.Many teenage girls thought selling betel nuts a gravy train.许多少女认为卖槟榔是一项薪水高、工作轻松的职业.I like to eat cold betel peppers in sauce very much.我特别喜欢吃凉拌蒟蒻....
It is a sneaky and underhand way of doing business.这种做生意的方式偷偷摸摸，遮遮掩掩。That was a sneaky trick!这种把戏可不够光明正大！You bachelors are really sneaky.你们没结婚的人太不老实....